To designate the facility of the United States Postal Service located at 300 Long Beach Boulevard in Long Beach, California, as the "Alan S. Lowenthal Post Office Building".

This bill renames a U.S. Postal Service facility at 300 Long Beach Boulevard in Long Beach, California, as the "Alan S. Lowenthal Post Office Building." It directly affects the postal facility and all federal documents, maps, or records referencing it. The key provision updates every official reference to the building to use the new name, ensuring consistency in government records. The bill does not change postal services, funding, or policy - only the building's official designation.